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A search for doubly charged Higgs bosons with pairs of prompt, isolated, highly energetic leptons with the same electric charge is presented. The search uses a proton–proton collision data sample at a centre-of-mass energy of 13 TeV corresponding to 36.1 $$\text {fb}^{-1}$$ fb-1 of integrated luminosity recorded in 2015 and 2016 by the ATLAS detector at the LHC. This analysis focuses on the decays...

Abstract A search is conducted for new resonances decaying into a W W or W Z boson pair, where one W boson decays leptonically and the other W or Z boson decays hadronically. It is based on proton-proton collision data with an integrated luminosity of 36.1 fb−1 collected with the ATLAS detector at the Large Hadron Collider at a centre-of-mass energy of s=13 $$ \sqrt{s}=13 $$ TeV in 2015 and 2016...

The differential cross-section for the production of a W boson in association with a top quark is measured for several particle-level observables. The measurements are performed using $${36.1}\,\text {fb}^{-1}$$ 36.1fb-1 of pp collision data collected with the ATLAS detector at the LHC in 2015 and 2016. Differential cross-sections are measured in a fiducial phase space defined by the presence of...

Abstract This paper reports searches for heavy resonances decaying into ZZ or ZW using data from proton-proton collisions at a centre-of-mass energy of s=13 $$ \sqrt{s}=13 $$ TeV. The data, corresponding to an integrated luminosity of 36.1 fb−1, were recorded with the ATLAS detector in 2015 and 2016 at the Large Hadron Collider. The searches are performed in final states in which one Z boson decays...

The modification of the production of $$J/\psi $$ J/ψ , $$\psi (2\mathrm {S})$$ ψ(2S) , and $$\varUpsilon (n\mathrm {S})$$ Υ(nS) ($$n = 1, 2, 3$$ n=1,2,3 ) in p+Pb collisions with respect to their production in pp collisions has been studied. The p+Pb and pp datasets used in this paper correspond to integrated luminosities of $$28~\mathrm {nb}^{-1}$$ 28nb-1 and $$25~\mathrm {pb}^{-1}$$ 25pb-1 respectively,...

This paper presents a measurement of the polarisation of $$\tau $$ τ leptons produced in $$Z/\gamma ^{*}\rightarrow \tau \tau $$ Z/γ∗→ττ decays which is performed with a dataset of proton—proton collisions at $$\sqrt{s}=8$$ s=8 TeV, corresponding to an integrated luminosity of 20.2 fb$$^{-1}$$ -1 recorded with the ATLAS detector at the LHC in 2012. The $$Z/\gamma ^{*}\rightarrow \tau \tau $$ Z/γ∗→ττ...

A search for the direct production of charginos and neutralinos in final states with at least two hadronically decaying tau leptons is presented. The analysis uses a dataset of pp collisions corresponding to an integrated luminosity of 36.1 fb$$^{-1}$$ -1 , recorded with the ATLAS detector at the Large Hadron Collider at a centre-of-mass energy of 13 TeV. No significant deviation from the expected...

Measurements of longitudinal flow correlations are presented for charged particles in the pseudorapidity range $$|\eta |<2.4$$ |η|<2.4 using 7 and 470 $$\upmu \hbox {b}^{-1}$$ μb-1 of Pb+Pb collisions at $$\sqrt{s_{\text {NN}}}=2.76$$ sNN=2.76 and 5.02 TeV, respectively, recorded by the ATLAS detector at the LHC. It is found that the correlation between the harmonic flow coefficients $$v_n$$...

This paper presents a direct measurement of the decay width of the top quark using $$t\bar{t}$$ tt¯ events in the lepton+jets final state. The data sample was collected by the ATLAS detector at the LHC in proton–proton collisions at a centre-of-mass energy of 8 TeV and corresponds to an integrated luminosity of 20.2 fb$$^{-1}$$ -1 . The decay width of the top quark is measured using a template fit...

A measurement of the mass of the W boson is presented based on proton–proton collision data recorded in 2011 at a centre-of-mass energy of 7 TeV with the ATLAS detector at the LHC, and corresponding to $$4.6~\hbox {fb}^{-1}$$ 4.6fb-1 of integrated luminosity. The selected data sample consists of $$7.8\times 10^6$$ 7.8×106 candidates in the $$W\rightarrow \mu \nu $$ W→μν channel and $$5.9\times...

A search is performed for new phenomena in events having a photon with high transverse momentum and a jet collected in $$36.7~\text {fb}^{-1} $$ 36.7fb-1 of proton–proton collisions at a centre-of-mass energy of $$\sqrt{s}$$ s = 13 TeV recorded with the ATLAS detector at the Large Hadron Collider. The invariant mass distribution of the leading photon and jet is examined to look for the resonant...

Abstract Results of a search for new phenomena in final states with an energetic jet and large missing transverse momentum are reported. The search uses proton-proton collision data corresponding to an integrated luminosity of 36.1 fb−1 at a centre-of-mass energy of 13 TeV collected in 2015 and 2016 with the ATLAS detector at the Large Hadron Collider. Events are required to have at least one jet...

Abstract The inclusive cross-section for the associated production of a W boson and top quark is measured using data from proton-proton collisions at s = 13 $$ \sqrt{s}=13 $$ TeV. The dataset corresponds to an integrated luminosity of 3.2 fb−1, and was collected in 2015 by the ATLAS detector at the Large Hadron Collider at CERN. Events are selected requiring two opposite sign isolated...

A search for neutral heavy resonances is performed in the $$WW\rightarrow e\nu \mu \nu $$ WW→eνμν decay channel using pp collision data corresponding to an integrated luminosity of $$36.1\,\hbox {fb}^{-1}$$ 36.1fb-1 , collected at a centre-of-mass energy of 13$$\,\text {TeV}$$ TeV by the ATLAS detector at the Large Hadron Collider. No evidence of such heavy resonances is found. In the search for...

Abstract A search for heavy neutral Higgs bosons and Z′ bosons is performed using a data sample corresponding to an integrated luminosity of 36.1 fb−1 from proton-proton collisions at s = 13 $$ \sqrt{s}=13 $$ TeV recorded by the ATLAS detector at the LHC during 2015 and 2016. The heavy resonance is assumed to decay to τ+τ− with at least one tau lepton decaying to final states with hadrons...

A search for weakly interacting massive dark-matter particles produced in association with bottom or top quarks is presented. Final states containing third-generation quarks and missing transverse momentum are considered. The analysis uses $$36.1 \; \mathrm {fb}^{-1}$$ 36.1fb-1 of proton–proton collision data recorded by the ATLAS experiment at $$\sqrt{s}=13$$ s=13 TeV in 2015 and 2016. No significant...

The results of a search for direct pair production of top squarks in events with two opposite-charge leptons (electrons or muons) are reported, using $$36.1~\hbox {fb}^{-1}$$ 36.1 fb - 1 of integrated luminosity from proton–proton collisions at $$\sqrt{s}=13$$ s = 13 TeV collected by the ATLAS detector at the Large Hadron Collider. To cover a range of mass differences...

Abstract A search for pair production of a scalar partner of the top quark in events with four or more jets plus missing transverse momentum is presented. An analysis of 36.1 fb−1 of s = 13 $$ \sqrt{s}=13 $$ TeV proton-proton collisions collected using the ATLAS detector at the LHC yields no significant excess over the expected Standard Model background. To interpret the results a simplified...

Measurements of transverse energy–energy correlations and their associated asymmetries in multi-jet events using the ATLAS detector at the LHC are presented. The data used correspond to $$\sqrt{s} = 8~\hbox {TeV}$$ s = 8 TeV proton–proton collisions with an integrated luminosity of 20.2 $$~\hbox {fb}^{-1}$$ fb - 1 . The results are presented in bins of the scalar sum...

Abstract This paper presents a measurement of the triple-differential cross section for the Drell-Yan process Z/γ* → ℓ+ℓ− where ℓ is an electron or a muon. The measurement is performed for invariant masses of the lepton pairs, mℓℓ, between 46 and 200 GeV using a sample of 20.2 fb−1 of pp collisions data at a centre-of-mass energy of s = 8 $$ \sqrt{s}=8 $$ TeV collected by the ATLAS detector...

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